Finding the Fourth Proportional to 164,566,104.21, 227,055,230.33 and 129,650,406.21
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Solution
The fourth proportional to 164,566,104.21, 227,055,230.33 and 129,650,406.21 is: 178,881,325.44
Step by Step Solution
- Step 1: Write the proportion equation
164,566,104.21 : 227,055,230.33 = 129,650,406.21 : x - Step 2: Convert to fraction form
164,566,104.21/227,055,230.33 = 129,650,406.21/x - Step 3: Cross multiply
164,566,104.21x = 227,055,230.33 × 129,650,406.21 - Step 4: Simplify right side
164,566,104.21x = 29,437,802,843,741,356 - Step 5: Solve for x
x = 29,437,802,843,741,356/164,566,104.21 - Step 6: Final answer
x = 178,881,325.44
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.